411845 has 18 divisors (see below), whose sum is σ = 589266. Its totient is φ = 275520.

The previous prime is 411841. The next prime is 411883. The reversal of 411845 is 548114.

It can be written as a sum of positive squares in 3 ways, for example, as 23716 + 388129 = 154^2 + 623^2 .

It is not a de Polignac number, because 411845 - 2² = 411841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 411845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411841) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10025 + ... + 10065.

It is an arithmetic number, because the mean of its divisors is an integer number (32737).

2⁴¹¹⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

411845 is a deficient number, since it is larger than the sum of its proper divisors (177421).

411845 is an equidigital number, since it uses as much as digits as its factorization.

411845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 53 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 411845 is about 641.7515095424. The cubic root of 411845 is about 74.4008560621.

Adding to 411845 its reverse (548114), we get a palindrome (959959).

The spelling of 411845 in words is "four hundred eleven thousand, eight hundred forty-five".